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Listed under:  Science  >  Forces and energy  >  Energy resources  >  Biofuels  >  Biogas
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Now you're cooking with biogas!

Biogas is a renewable form of energy. In India, it's being made from cow dung and is contributing to the improved wellbeing of the nation's poorest communities. See how the use of appropriate technology can help to break the cycle of poverty.

Teacher resource

Fuels: biofuels part 1: producing bioethanol - practical activity

This practical activity is a class experiment in which bioethanol is produced. It provides student instructions and teacher guidelines. Some student groups collect the gas produced in the fermentation reaction in a balloon, and are challenged to work out a way to determine its approximate volume; the remaining groups test ...